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Heat Transfer Research
Импакт фактор: 0.404 5-летний Импакт фактор: 0.8 SJR: 0.264 SNIP: 0.504 CiteScore™: 0.88

ISSN Печать: 1064-2285
ISSN Онлайн: 2162-6561

Выпуски:
Том 50, 2019 Том 49, 2018 Том 48, 2017 Том 47, 2016 Том 46, 2015 Том 45, 2014 Том 44, 2013 Том 43, 2012 Том 42, 2011 Том 41, 2010 Том 40, 2009 Том 39, 2008 Том 38, 2007 Том 37, 2006 Том 36, 2005 Том 35, 2004 Том 34, 2003 Том 33, 2002 Том 32, 2001 Том 31, 2000 Том 30, 1999 Том 29, 1998 Том 28, 1997

Heat Transfer Research

DOI: 10.1615/HeatTransRes.v36.i8.50
pages 663-676

Numerical Study of Combined Heat Transfer in Initial Sections of High-Temperature Outlet Channels and Nozzles with Variable and Strong Injection

S. G. Rudenko
Academician V. P. Glushko "Energomash" Scientific and Industrial Amalgamation, Khimki, Moscow Region, Russia

Краткое описание

Numerical solution of two-dimensional equations of combined heat transfer in the compressible boundary layer approximation for a uniform radiating and absorbing gas (hydrogen with addition of lithium), given the spectral dependence of the absorption coefficients and actual properties of the working body, has been used as the basis for investigation of combined heat transfer in the initial areas of high-temperature outlet channels and nozzles (using as examples nuclear missile engines (NME) and nuclear power plants (NPP) with a gas-phase reactor) in variable and strong injection for laminar and turbulent modes of flow. It has been shown that intense injection results in a significant reduction of heat fluxes to the wall and is an effective means for protection of walls against high heat fluxes, especially convective ones. Also, the effect of radiation on the formation of temperature profiles and on heat fluxes has been studied. Recommendations on the application of simpler computing techniques are given.


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